"CONSTRUCTION OF SUITABLE LYAPUNOV FUNCTIONS FOR SYSTEMS OF LINEAR AND NONLINEAR DIFFERENTIAL EQUATIONS WITH STABILITY OF THEIR TRIVIAL SOLUTIONS", FJST, م 7, عدد 2, ص 33–36, ديسمبر 2021, تاريخ الوصول: 17 مايو، 2026. [مباشر على الإنترنت]. موجود في: https://lafiascijournals.org.ng/index.php/fjst/article/view/149